13 lines
324 B
Java
13 lines
324 B
Java
import java.util.function.*;
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import java.util.stream.*;
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public class Jensen {
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static double sum(int lo, int hi, IntToDoubleFunction f) {
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return IntStream.rangeClosed(lo, hi).mapToDouble(f).sum();
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}
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public static void main(String args[]) {
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System.out.println(sum(1, 100, (i -> 1.0/i)));
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}
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}
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